A simple GPS app for Fitbit Ionic using the watch GPS (no internet or phone needed), which can also record a GPS fix and displays the following:-

(a) Latitude Longitude in DDMMSS format.

(b) Accuracy of the coordinates in metres.

(c) Altitude.

(d) Instantaneous heading.

(e) Display the recorded GPS fix.

Update:-

(a) Added conversion of meters into feet and vice versa.

Attention:-

For best accuracy and faster GPS fix, use outdoors in open spaces.